msg_queue Struct Reference [Message Queue]

Message queue structure. More...

#include <msg_queue.h>

Collaboration diagram for msg_queue:

Data Fields

• mq_message_t * first

  Pointer to the first message in the queue.
  

• unsigned int flags

  flags - see MQ_xxx constants
  

• mq_message_t * last

  Pointer to last message in the queue to speed up appending messages into the queue.
  

• cds_mutex_t q_mutex

  Queue mutex - might not be initialized, depends on initialization parameters.
  

• reference_counter_data_t ref

  Reference counter.
  

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Detailed Description

Never access its members directly (they may change), always use interface functions!

Definition at line 97 of file msg_queue.h.

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Field Documentation

mq_message_t* msg_queue::first

Messages are hold in one way linked list, each message contains pointer to next one.

Definition at line 105 of file msg_queue.h.

Referenced by is_msg_queue_empty(), msg_queue_init_ex(), pop_message(), and push_message().

mq_message_t* msg_queue::last

Definition at line 108 of file msg_queue.h.

Referenced by msg_queue_init_ex(), pop_message(), and push_message().

reference_counter_data_t msg_queue::ref

Need not to be used. If you want to use reference counter to message queue you have to call msg_queue_init_ref_cnt function with not-NULL reference counter group.

Definition at line 102 of file msg_queue.h.

Referenced by msg_queue_init_ref_cnt().

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The documentation for this struct was generated from the following file:

• msg_queue.h